40136713 has 2 divisors, whose sum is σ = 40136714. Its totient is φ = 40136712.

The previous prime is 40136687. The next prime is 40136773. The reversal of 40136713 is 31763104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38900169 + 1236544 = 6237^2 + 1112^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40136713 is a prime.

It is a super-2 number, since 2×40136713² = 3221911460888738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40136773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20068356 + 20068357.

It is an arithmetic number, because the mean of its divisors is an integer number (20068357).

Almost surely, 2^40136713 is an apocalyptic number.

It is an amenable number.

40136713 is a deficient number, since it is larger than the sum of its proper divisors (1).

40136713 is an equidigital number, since it uses as much as digits as its factorization.

40136713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 40136713 is about 6335.3542126704. The cubic root of 40136713 is about 342.3843728538.

Adding to 40136713 its reverse (31763104), we get a palindrome (71899817).

The spelling of 40136713 in words is "forty million, one hundred thirty-six thousand, seven hundred thirteen".